Объяснение:
1 а.е.м=1,66•10`²⁴ г
Аr(K)=39 a.e.м
m(K)=?
m(K)=Ar(K)•1 a.e.м=39•1,66•10`²⁴г=
=64,74•10`²⁴г
m(Fe)=93•10`²⁴г
Аr(Fe)=?
Ar(Fe)=m(Fe)/1 a.e.м=93•10`²⁴г/1,66•10`²⁴г=
=56,02
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Verified answer
Объяснение:
1 а.е.м=1,66•10`²⁴ г
Аr(K)=39 a.e.м
m(K)=?
m(K)=Ar(K)•1 a.e.м=39•1,66•10`²⁴г=
=64,74•10`²⁴г
1 а.е.м=1,66•10`²⁴ г
m(Fe)=93•10`²⁴г
Аr(Fe)=?
Ar(Fe)=m(Fe)/1 a.e.м=93•10`²⁴г/1,66•10`²⁴г=
=56,02